PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, most metalworking fluids and cleaning agents contain both inorganic and organic materials, and very often, the interfering contaminant is an organic compound.
http://www.w3.org/ns/prov#wasQuotedFrom
  • pfonline.com